.shang-mai-tips{
	position: absolute;
	color: #fff;
	left: 50%;
	top: 50%;
	transform: translate3d(-50%,-50%,0);
}
.template0-room-wrap .shang-mai-tips{
	top: 15rem;
}
.dot {
    display: inline-block; 
    height: 1em; line-height: 1;
    text-align: left;
    vertical-align: -.25em;
    overflow: hidden;
}
.dot::before {
    display: block;
    content: '...\A..\A.';
    white-space: pre-wrap;   /* 也可以是white-space: pre */
    animation: dot 3s infinite step-start both;
}
@keyframes dot {
    33% { transform: translateY(-2em); }
    66% { transform: translateY(-1em); }
}